Pith Number

pith:57S7WJR7

pith:2018:57S7WJR7VHHCLZPTTP6BFPBHG7

not attested not anchored not stored refs pending

A very brief introduction to quantum computing and quantum information theory for mathematicians

J.M. Landsberg

arxiv:1801.05893 v1 · 2018-01-15 · math.HO · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{57S7WJR7VHHCLZPTTP6BFPBHG7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:25:36.249293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe5fb263fa9ce25e5f39bfc12bc2737f6f3b3f01524d663ba8b10edc6de44e8

Aliases

arxiv: 1801.05893 · arxiv_version: 1801.05893v1 · doi: 10.48550/arxiv.1801.05893 · pith_short_12: 57S7WJR7VHHC · pith_short_16: 57S7WJR7VHHCLZPT · pith_short_8: 57S7WJR7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/57S7WJR7VHHCLZPTTP6BFPBHG7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: efe5fb263fa9ce25e5f39bfc12bc2737f6f3b3f01524d663ba8b10edc6de44e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f34d6313c7d08f75c7834bb9bfd6370d428f06d0be62aa109a458b52056b45d",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-01-15T21:45:22Z",
    "title_canon_sha256": "062fea97a90ff97f3fd62eee791a51358017d3b248bc4def78568ee2b8bf4f7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05893",
    "kind": "arxiv",
    "version": 1
  }
}